package com.itheima.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.entity.Category;
import com.itheima.entity.Employee;
import com.itheima.service.impl.CategoryServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryServiceImpl categoryService;
    @PostMapping
    public R<String> save(@RequestBody Category category){
    log.info("category {}",category);
    categoryService.save(category);
    return R.success("新增分类成功");
    }
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        log.info("page={},pageSize={}",page,pageSize);
        //分页构造器
        Page<Category> pageInfo=new Page<>(page,pageSize);

        //构造条件构造器
        LambdaQueryWrapper<Category> queryWrapper=new LambdaQueryWrapper<>();

        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort);

        //执行查询
        categoryService.page(pageInfo,queryWrapper);//pageInfo分页构造器 用来分页的  queryWrapper 用来过滤查询的
        return R.success(pageInfo);//看清返回值

    }
    @DeleteMapping
    public  R<String> delete(Long ids){
        log.info("删除分类，id为{}",ids);//前端代码有问题，id==>ids
        categoryService.remove(ids);
        return R.success("分类信息删除成功");
    }
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息：{}",category.toString());

        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }
    //根据条件查询分类
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //构建条件构造器
        LambdaQueryWrapper<Category> lambdaQueryWrapper=new LambdaQueryWrapper<>();
        //添加条件
        lambdaQueryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        //添加排序条件
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list=categoryService.list(lambdaQueryWrapper);
        return R.success(list);
    }
}
